1. Remove the float/separation/return fan duct (Float/Separation/Return Fan Duct)

    The position of the paper upper limit sensor 1 [A], 2 [B]

  2. Unscrew the screws on the back side of the float/separation/return fan duct, to remove the duct [A].

  3. Release the pawls of paper upper limit sensor 1.
  4. Remove the connector of paper upper limit sensor 1 [A] from the front side.

  5. Release the pawl of paper upper limit sensor 2 from the back side and remove the connector of paper upper limit sensor 2 [A] from the front side.